Mathematics, 20.03.2020 12:04 182075

Refer to the accompanying data display that results from a sample of airport data speeds in Mbps. Complete parts (a) through (c) below.
LOADING... Click the icon to view a t distribution table.
TInterval
(13.046,22.15)
x overbarequals17.598
Sxequals16.01712719
nequals50
a. What is the number of degrees of freedom that should be used for finding the critical value t Subscript alpha divided by 2?
df=

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